Specifications

trace mpls multipath
MP-839
Cisco IOS Multiprotocol Label Switching Command Reference
January 2010
Paths (found/broken/unexplored) (4/0/0)
Echo Request (sent/fail) (14/0)
Echo Reply (received/timeout) (14/0)
Total Time Elapsed 460 ms
The following example shows that outgoing MPLS Operation, Administration, and Management (OAM)
echo request packets will go through the interface e0/0 and will be restricted to the path with the next
hop address of 10.0.0.3:
Router# trace multipath ipv4 10.4.4.4/32 output interface e0/0 nexthop 10.0.0.3
Starting LSP Multipath Traceroute for 10.4.4.4/32
Codes: '!' - success, 'Q' - request not sent, '.' - timeout,
'L' - labeled output interface, 'B' - unlabeled output interface,
'D' - DS Map mismatch, 'F' - no FEC mapping, 'f' - FEC mismatch,
'M' - malformed request, 'm' - unsupported tlvs, 'N' - no label entry,
'P' - no rx intf label prot, 'p' - premature termination of LSP,
'R' - transit router, 'I' - unknown upstream index,
'X' - unknown return code, 'x' - return code 0
Type escape sequence to abort.
L!
Path 0 found,
output interface Et0/0 nexthop 10.0.0.3
source 10.0.0.1 destination 127.0.0.0
Paths (found/broken/unexplored) (1/0/0)
Echo Request (sent/fail) (2/0)
Echo Reply (received/timeout) (2/0)
Total Time Elapsed 728 ms
Related Commands Command Description
echo Customizes the default behavior of echo packets.
mpls oam Enters MPLS OAM configuration mode for customizing the default behavior
of ec
ho packet.
ping mpls Checks MPLS LSP connectivity.
trace mpls Discovers MPLS LSP routes that packets will actually take when traveling
t
o their destinations.